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Optical Spectra of Candidate Southern Hemisphere International Celestial Reference Frame (ICRF) Radio Sources

Titov, Oleg; Jauncey, David; Johnston, H. M.; Hunstead, Richard; Christensen, L


We present the results of spectroscopic observations of the optical counterparts of 47 southern radio sources from the candidate International Celestial Reference Catalogue as part of a very long baseline interferometry (VLBI) program to strengthen the celestial reference frame, especially in the south. We made the observations with the 3.58 m European Southern Observatory New Technology Telescope. We obtained redshifts for 30 quasars and one radio galaxy, with a further seven objects being...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Astronomical Journal
DOI: 10.1088/0004-6256/142/5/165


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